Climate at a Glance

Statewide Rankings

Look up monthly rankings for 1-12, 18, 24, 36, 48, and 60-month time periods using the options below. Data and statistics are as of August 2020. For more information, please see Climatological Rankings.


Connecticut

Precipitation Rankings, September 1999

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
September 1999
1-Month
10.39"
(263.91mm)
3.99"
(101.35mm)
6.40"
(162.56mm)
124th Driest Driest since: 1998 1914
2nd Wettest Wettest since: 1938 1938
Aug–Sep 1999
2-Month
13.29"
(337.57mm)
8.22"
(208.79mm)
5.07"
(128.78mm)
116th Driest Driest since: 1998 1914
10th Wettest Wettest since: 1991 2011
Jul–Sep 1999
3-Month
15.71"
(399.03mm)
12.13"
(308.10mm)
3.58"
(90.93mm)
107th Driest Driest since: 1998 1948
19th Wettest Wettest since: 1991 1938
Jun–Sep 1999
4-Month
16.56"
(420.62mm)
15.83"
(402.08mm)
0.73"
(18.54mm)
74th Driest Driest since: 1998 1914
52nd Wettest Wettest since: 1996 1938
May–Sep 1999
5-Month
20.89"
(530.61mm)
19.76"
(501.90mm)
1.13"
(28.71mm)
72nd Driest Driest since: 1997 1964
54th Wettest Wettest since: 1998 1938
Apr–Sep 1999
6-Month
22.24"
(564.90mm)
23.88"
(606.55mm)
-1.64"
(-41.65mm)
51st Driest Driest since: 1997 1965
75th Wettest Wettest since: 1998 1938
Mar–Sep 1999
7-Month
27.66"
(702.56mm)
28.07"
(712.98mm)
-0.41"
(-10.42mm)
56th Driest Driest since: 1997 1965
70th Wettest Wettest since: 1998 1901
Feb–Sep 1999
8-Month
31.39"
(797.31mm)
31.34"
(796.04mm)
0.05"
(1.27mm)
62nd Driest Driest since: 1997 1957
64th Wettest Wettest since: 1998 2011
Jan–Sep 1999
9-Month
38.69"
(982.73mm)
35.08"
(891.03mm)
3.61"
(91.70mm)
91st Driest Driest since: 1997 1957
35th Wettest Wettest since: 1998 1938
Dec 1998–Sep 1999
10-Month
39.96"
(1,014.98mm)
39.06"
(992.12mm)
0.90"
(22.86mm)
68th Driest Driest since: 1997 1957
57th Wettest Wettest since: 1998 2011
Nov 1998–Sep 1999
11-Month
42.28"
(1,073.91mm)
43.20"
(1,097.28mm)
-0.92"
(-23.37mm)
54th Driest Driest since: 1995 1965, 1966
71st Wettest Wettest since: 1998 1938
Oct 1998–Sep 1999
12-Month
47.35"
(1,202.69mm)
46.90"
(1,191.26mm)
0.45"
(11.43mm)
66th Driest Driest since: 1995 1965
59th Wettest Wettest since: 1998 2006
Ties: 1946
Apr 1998–Sep 1999
18-Month
74.03"
(1,880.36mm)
70.67"
(1,795.02mm)
3.36"
(85.34mm)
78th Driest Driest since: 1998 1965
47th Wettest Wettest since: 1997 1938
Oct 1997–Sep 1999
24-Month
100.26"
(2,546.60mm)
93.72"
(2,380.49mm)
6.54"
(166.11mm)
85th Driest Driest since: 1996 1966
39th Wettest Wettest since: 1998 1938
Oct 1996–Sep 1999
36-Month
150.17"
(3,814.32mm)
140.60"
(3,571.24mm)
9.57"
(243.08mm)
85th Driest Driest since: 1997 1966
38th Wettest Wettest since: 1998 2008
Oct 1995–Sep 1999
48-Month
208.09"
(5,285.49mm)
187.49"
(4,762.25mm)
20.60"
(523.24mm)
103rd Driest Driest since: 1998 1966
19th Wettest Wettest since: 1992 2009
Oct 1994–Sep 1999
60-Month
244.53"
(6,211.06mm)
234.40"
(5,953.76mm)
10.13"
(257.30mm)
80th Driest Driest since: 1997 1966
41st Wettest Wettest since: 1998 2010

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published September 2020, retrieved on October 1, 2020 from https://www.ncdc.noaa.gov/cag/